Home / 369,914,958.78-510,482,599.38-221,236,056.93

Finding the Fourth Proportional to 369,914,958.78, 510,482,599.38 and 221,236,056.93

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Solution

The fourth proportional to 369,914,958.78, 510,482,599.38 and 221,236,056.93 is: 305,305,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,914,958.78 : 510,482,599.38 = 221,236,056.93 : x
  2. Step 2: Convert to fraction form
    369,914,958.78/510,482,599.38 = 221,236,056.93/x
  3. Step 3: Cross multiply
    369,914,958.78x = 510,482,599.38 × 221,236,056.93
  4. Step 4: Simplify right side
    369,914,958.78x = 112,937,157,418,208,064
  5. Step 5: Solve for x
    x = 112,937,157,418,208,064/369,914,958.78
  6. Step 6: Final answer
    x = 305,305,732.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.